UIC 544-2

Railway Braking Force Estimation Methods

UIC 544-2 provides standardized calculation and estimation methods for determining braking force in railway rolling stock across different brake system types and operational scenarios. This technical standard defines mathematical models for translating brake system pressure, line force, and mechanical leverage into actual stopping power, accounting for variables such as wheel slip, temperature effects, and load conditions. The standard enables consistent performance prediction and certification across diverse European rail systems. Accreditation for this calculation methodology ensures reproducible, safety-critical engineering assessments used in rail fleet design and operational planning.

What it measures

  • Brake force calculation from system pressure and geometry
  • Adhesion coefficient effects on available braking force
  • Load-dependent braking force variations
  • Dynamic brake force response characteristics
  • Braking force distribution optimization
🇩🇪 DIN EN 14531-1 🇬🇧 BS EN 14531-1 🇫🇷 NF EN 14531-1 🇮🇹 UNI EN 14531-1 🇪🇸 UNE EN 14531-1 🇳🇱 NEN EN 14531-1
1,560 Accredited labs
17 Countries

Showing 1,251–1,275 of 1,560 labs

Technological Laboratory of Uruguay

Active
UKAS 1893 Uruguay, UY
ISO 3727-1/IDF 80-1:2001 ISO 5534/IDF 4:2004 ISO 6731/IDF 21:2010 ISO 6734/IDF 15:2010 according to ISO 6091/IDF + 3 more
View Profile

Telsy

Active
ACCREDIA 01747 Orvieto, IT
ETSI EN 319 412 ETSI EN 319 401 ETSI EN 319 411-2 ETSI EN 319 411-1
View Profile

Temperaturmeßtechnik Geraberg

Active
DAkkS D-K-18197-01-00 Martinroda, DE
Taupunkttemperatur Railway braking — urban guided transport Widerstandssensor –40 °C bis > 5 °C bis + 3 more
View Profile

Teramess

Active
DAkkS D-K-18666-01-02 Germering, DE
Absolutdruck p 0,015 bar abs > 1,7 bar > 70 bar > 100 bar + 3 more
View Profile

Tesat-Spacecom GmbH & Co. KG Kalibrierlaboratorium

Active
DAkkS D-K-18316-01-00 Backnang, DE
Gleichspannung 0 mV Messgeräte 10 mV Wechselspannung 0,22 mV > 220 mV > 2,2 V + 3 more
View Profile

Test-Fuchs, Fritz Fuchs Gesellschaft mit beschränkter Haftung Kalibrierlaboratorium Deutschland

Active
DAkkS D-K-22318-01-00 Neu Wulmstorf, DE
Positiver Überdruck p e > 70 bar Überdruck p (ein- oder mehrgängige
View Profile

Testo Industrial Services

Active
DAkkS D-K-15070-01-01 Kirchzarten, DE
- Gleichspannung / Messgeräte Quellen Hochspannung - Gleichstromstärke + 3 more
View Profile

Testo Industrial Services

Active
UKAS 0805 Ramsdell, GB
RELATIVE HUMIDITY HUMIDITY continued loggers Gas Pressure Gauge Saturated salt capsules + 2 more
View Profile

Tetra Consulting

Active
UKAS 0175 London, GB
(HSG 264, 2012) Appendix 5 of HSG 227 (2004))
View Profile

Tetra Tech Consulting

Active
UKAS 1709 London, GB
(HSG 248) – 2021 RPSCA1 based on HSG 248 (PCM) based on HSG 248 RPSCA2 based on HSG 248 BS 7592:2008, BS 8554:2015 + 2 more
View Profile

Tetra Tech

Active
UKAS 6060 Leeds, GB
(HSG 248) – 2021 &10 based on HSG 248 (PCM) based on HSG 248
View Profile

TetraTec Instruments

Active
DAkkS D-K-17589-01-01 Steinenbronn, DE
Railway brakes — disc brake pads (UIC 54 Volumendurchfluss bzw. 0,01 m Railway pantographs — requirements for m 39 mL/h + 3 more
View Profile

The Auditing Company

Active
RvA I309 Culemborg, NL
#EN ISO 5164:14 # EN 116-97 # ISO 13736 NEN 4400-1 #ISO 6618
View Profile

The Equipment Calibration Business

Active
UKAS 20765 High Wycombe, GB
DC CURRENT DC Resistance Measurement DC VOLTAGE CAPACITANCE + 3 more
View Profile

The Hazard Management and Environmental Services Laboratories

Active
UKAS 0225 Fenstanton, GB
(HSG 264, 2012)
View Profile

The Hazard Management and Environmental Services Laboratories

Active
UKAS 0575 Fenstanton, GB
(HSG 248) – 2021 03 based on HSG 248) QOP01 based on HSG 248 (PCM) based on HSG 248
View Profile

The Original Gauge Company

Active
UKAS 4699 New Milton, GB
LENGTH Screw ring gauges (parallel) LENGTH cont. As for Involute Spline Gauges See Note 2 + 3 more
View Profile

The Testing Lab

Active
UKAS 7758 Doncaster, GB
DIN EN 933-11 BS EN ISO 17892-1:2014+A1:2022 BS EN ISO 17892-10:2018 BS EN ISO 17892-11:2019 BS EN ISO 17892-2:2014 + 3 more
View Profile

The Tintometer

Active
UKAS 0630 Amesbury, GB
SPECTRAL TRANSMITTANCE Wavelength 380 nm materials
View Profile

Themisis

Active
RvA I381 Zaltbommel, NL
#EN ISO 5164:14 # EN 116-97 # ISO 13736 NEN 4400-1 #ISO 6618
View Profile

Thermo Electron LED

Active
DAkkS D-K-17616-01-01 Langenselbold, DE
- Gleichspannung Messgeräte 0,001 V bis 0,33 V bis 3,3 V bis 330 V bis + 3 more
View Profile

Thermo Sensor

Active
DAkkS D-K-18093-01-00 Werne, DE
Tensile testing of metallic materials (I Temperaturmessgrößen thermometer und Railway braking — urban guided transport Railway vehicle body structural requirem + 3 more
View Profile

ThermoTEC Weilburg

Active
DAkkS D-K-19243-01-00 Weilburg, DE
Vickers hardness test (ISO 6507) Taupunkttemperatur Widerstandssensor * –90 °C –80 °C –40 °C + 3 more
View Profile

Third Dimension Software

Active
UKAS 9951 Filton, GB
LENGTH
View Profile

Thomas Dudley

Active
UKAS 20013 Dudley, GB
BS 1212-2:1990 Clause 4 BS 1212-3:1990 Clause 4 DIN EN 997 Laktoseintoleranz (LCT -14055 BS 1212-4:1991 Clause 4, 13, 14
View Profile

No matching labs found.

Industries

Railway rolling stock engineering and design Brake system manufacturers and integrators Railway fleet operators Rail vehicle certification authorities Transport safety and compliance consulting

Related Standards

  • UIC 544-1 Railway brakes — Braking performance
  • UIC 541-01 Railway brakes — Brake pads — Part 1: Friction material specification
  • EN 14531-1 Railway applications — Safety requirements for the design of rolling stock

Other Test Methods

0 labs selected
Compare